Messages in this thread | | | Date | Mon, 21 Sep 2015 16:41:55 -0700 | Subject | Re: [tip:perf/core] tools: Add err.h with ERR_PTR PTR_ERR interface | From | Vinson Lee <> |
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On Wed, Sep 16, 2015 at 12:28 AM, tip-bot for Jiri Olsa <tipbot@zytor.com> wrote: > Commit-ID: 01ca9fd41d6f2ad796a6b109b5253e06b6ae6dc7 > Gitweb: http://git.kernel.org/tip/01ca9fd41d6f2ad796a6b109b5253e06b6ae6dc7 > Author: Jiri Olsa <jolsa@kernel.org> > AuthorDate: Mon, 7 Sep 2015 10:38:03 +0200 > Committer: Arnaldo Carvalho de Melo <acme@redhat.com> > CommitDate: Tue, 15 Sep 2015 09:48:32 -0300 > > tools: Add err.h with ERR_PTR PTR_ERR interface > > Adding part of the kernel's <linux/err.h> interface: > > inline void * __must_check ERR_PTR(long error); > inline long __must_check PTR_ERR(__force const void *ptr); > inline bool __must_check IS_ERR(__force const void *ptr); > > It will be used to propagate error through pointers in following > patches. > > Signed-off-by: Jiri Olsa <jolsa@kernel.org> > Reviewed-by: Raphael Beamonte <raphael.beamonte@gmail.com> > Cc: David Ahern <dsahern@gmail.com> > Cc: Matt Fleming <matt@codeblueprint.co.uk> > Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> > Link: http://lkml.kernel.org/r/1441615087-13886-2-git-send-email-jolsa@kernel.org > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Hi.
This patch appears to have introduced a build error on CentOS 6.7 with GCC 4.4.
This build error occurs on next-20150921.
CC util/evlist.o cc1: warnings being treated as errors In file included from util/evlist.c:28: tools/include/linux/err.h: In function ‘ERR_PTR’: tools/include/linux/err.h:34: error: declaration of ‘error’ shadows a global declaration util/util.h:135: error: shadowed declaration is here
$ gcc --version gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16) Copyright (C) 2010 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Cheers, Vinson
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